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 * and open the template in the editor.
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package com.meducated.sandbox.scriptingandqueues;

import java.io.IOException;
import java.io.PrintWriter;
import javax.jdo.PersistenceManager;
import javax.jdo.annotations.PersistenceAware;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Greg Scott
 */
@PersistenceAware
public class DemoPatientObsServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            PersistenceManager pm = PMF.get().getPersistenceManager();

            if (pm == null) {
                out.println("Sorry the server is not working properly!");
            }
            // Retrieve the demo patient
            try {
                DemoPatient pt = pm.getObjectById(DemoPatient.class, "DemoPatient");

                if (pt == null) {
                    out.println("<p>Sorry, no demo patient could be found.</p>");
                } else {
                    out.println("<span class=\"name\">Demo Patient</span>");
                    out.println("<span class=\"time\">" + pt.getClock() + " seconds old (" + (int) (pt.getClock() / 3600) + " hours " + (int) (pt.getClock() / 60) + " min " + (int) (pt.getClock() % 60) + " s)</span>");
                    out.println("<span class=\"obstitle\">HR</span><span class=\"obsvalue\">" + pt.getHr() + " bpm</span>");
                    out.println("<span class=\"obstitle\">BP</span><span class=\"obsvalue\">" +  pt.getBp().getSbp() + "/" + pt.getBp().getDbp() + " mmHg</span>");
                }
            } finally {
                pm.close();
            }


            out.println("</body>");
            out.println("</html>");
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
